Colour Coded 100 Line

A set of 12 strips (5.5cm x 60cm) displaying –9 to 109.

Strips can be placed in a long number line format, or underneath each other to display a number grid. 1 to 99 are colour coded to illustrate those numbers that ma ke 100. Eg. the 30’s row and the 60’s row are yellow and so 32+68 = 100

Use for recognition and mental manipulation of numbers in a line –9 to 109 and see the repeating pattern of 0 to 9.

Become familiar with negative numbers and numbers that make 100.

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